In this activity, students will use the scale, the key, and longitude and latitude on a map to determine where they have crashed. They will then use the map scale to determine the distance to the nearest city and how long it will take...

For this investigation, students start exploring the U.S. Geological Survey's (USGS) online version of the geologic map of Texas. The geologic time scale shown will help them figure out how old the rocks are in various parts of Texas.